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. Author manuscript; available in PMC: 2019 Dec 4.
Published in final edited form as: Structure. 2018 Sep 20;26(12):1645–1650.e3. doi: 10.1016/j.str.2018.08.001

Figure 1.

Figure 1.

Structure of d(GTGGCSeCAC)2 at room (A) and cryo temperatures (B). Arrows point to the Ade7 phosphate backbone, which is protonated in 1_RT and coordinated by Mg2+ in 1_LT.